O-Desmethylnaproxen
O-Desmethylnaproxen (CAS: 52079-10-4, Formula: C13H12O3) is a chemical compound with a molecular weight of 216.23. It serves as a valuable metabolite standard for naproxen. O-Desmethylnaproxen is particularly useful in research settings for the assaying and understanding of naproxen metabolites and related metabolic pathways, contributing to drug metabolism studies.
- IUPAC
- (S)-6-Hydroxy-α-methyl-2-naphthaleneacetic acid,d-2-(6-Hydroxy-2-naphthyl)proprionic acid

Metabolite Assay
O-Desmethylnaproxen is utilised for the precise assaying of naproxen metabolites. This application is crucial for pharmacokinetic and pharmacodynamic studies involving naproxen.
Drug Metabolism Research
This compound aids in research focused on drug and xenobiotic metabolism. Understanding the metabolic fate of pharmaceuticals like naproxen is essential for drug development and safety assessment.
Biochemical Research Tool
As a key metabolite, O-Desmethylnaproxen functions as a biochemical research tool in cell biology and cell signaling studies, particularly within neuroscience research.
| Molecular weight | 216.23 |
|---|---|
| Empirical formula | C13H12O3 |
| Colour | white |
| Storage temperature | 2-8°C |
| Application | O-Desmethylnaproxen can be used for assaying naproxen metabolites. |
| Melting point | 182-183 °C |


Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-43-50/53 |
| Safety statements (S) | 36/37-60-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is O-Desmethylnaproxen used for?
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O-Desmethylnaproxen (CAS: 52079-10-4) is primarily used for assaying naproxen metabolites in research settings, aiding in drug metabolism and pharmacokinetic studies.
What is the CAS number and formula for O-Desmethylnaproxen?
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The CAS number for O-Desmethylnaproxen is 52079-10-4, and its empirical formula is C13H12O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies O-Desmethylnaproxen for research purposes. The specific purity and grade available should be confirmed with a product specification sheet or by contacting our sales team, as we do not represent it as USP/BP/EP grade unless explicitly stated.
How should O-Desmethylnaproxen be handled safely?
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O-Desmethylnaproxen is classified with GHS07 and GHS09 symbols, carrying a 'Warning' signal word. It has hazard statements including H302 (Harmful if swallowed), H317 (May cause an allergic skin reaction), and H400 (Very toxic to aquatic life). Appropriate personal protective equipment such as a dust mask (type N95 or equivalent), eyeshields, face shield, and gloves should be used. Ensure adequate ventilation and avoid release into the environment.
How is O-Desmethylnaproxen packed, shipped, and exported?
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O-Desmethylnaproxen is packed and shipped in compliance with relevant regulations for hazardous materials (UN 3077, Class 9, Packing Group III). Tech Serve Solutions is experienced in global export and can provide details on shipping and handling.
How can I request a sample or quote for O-Desmethylnaproxen?
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To request a sample or a quote for O-Desmethylnaproxen, please contact the Tech Serve Solutions sales department via our website or direct inquiry channels, providing your specific requirements.
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